A mother catches her son flirting with an older woman and assumes it's her daughter-in-law—"You're really desperate!" The son clarifies: it's his mistress. The real daughter-in-law arrives and mistakes the mistress for her mother-in-law. The jealous mistress plays along, bullying the young wife at every turn while the husband flirts with his lover right in front of her. When the real mother-in-law returns, the truth explodes.
